EP0735709A3 - Circuit de synchronisation pour un système de compression et de décompression d'un signal de son numérique - Google Patents
Circuit de synchronisation pour un système de compression et de décompression d'un signal de son numérique Download PDFInfo
- Publication number
- EP0735709A3 EP0735709A3 EP96105182A EP96105182A EP0735709A3 EP 0735709 A3 EP0735709 A3 EP 0735709A3 EP 96105182 A EP96105182 A EP 96105182A EP 96105182 A EP96105182 A EP 96105182A EP 0735709 A3 EP0735709 A3 EP 0735709A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- synchronous pattern
- audio signal
- digital audio
- synchronizing circuit
- synchronous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP72805/95 | 1995-03-30 | ||
JP7280595A JP2817660B2 (ja) | 1995-03-30 | 1995-03-30 | 同期回路 |
JP7280595 | 1995-03-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0735709A2 EP0735709A2 (fr) | 1996-10-02 |
EP0735709A3 true EP0735709A3 (fr) | 2000-03-22 |
EP0735709B1 EP0735709B1 (fr) | 2004-03-17 |
Family
ID=13499984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96105182A Expired - Lifetime EP0735709B1 (fr) | 1995-03-30 | 1996-04-01 | Circuit de synchronisation pour un système de compression et de décompression d'un signal de son numérique |
Country Status (4)
Country | Link |
---|---|
US (1) | US5668840A (fr) |
EP (1) | EP0735709B1 (fr) |
JP (1) | JP2817660B2 (fr) |
DE (1) | DE69631852T2 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0755134A1 (fr) * | 1995-07-20 | 1997-01-22 | ALCATEL BELL Naamloze Vennootschap | Procédé de synchronisation de trame |
JP3322561B2 (ja) * | 1996-04-12 | 2002-09-09 | シャープ株式会社 | Fm文字多重放送用受信機 |
US6298387B1 (en) * | 1996-07-12 | 2001-10-02 | Philips Electronics North America Corp | System for detecting a data packet in a bitstream by storing data from the bitstream in a buffer and comparing data at different locations in the buffer to predetermined data |
US6154468A (en) * | 1996-10-24 | 2000-11-28 | Philips Electronics North America Corporation | Fast sync-byte search scheme for packet framing |
US5936922A (en) * | 1997-05-30 | 1999-08-10 | Daewoo Electronics Co., Ltd. | Method and apparatus for sampling a synchronous pattern from data including an error using a random synchronous signal |
US6272194B1 (en) * | 1997-06-04 | 2001-08-07 | Nec Corporation | Synchronous signal detecting circuit, method, and information storage medium |
US6081570A (en) * | 1997-09-02 | 2000-06-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Parallel integrated frame synchronizer chip |
JP3330555B2 (ja) | 1999-01-28 | 2002-09-30 | 沖電気工業株式会社 | 同期回路 |
JP3811040B2 (ja) * | 2001-09-28 | 2006-08-16 | 株式会社東芝 | 無線通信制御装置 |
US7006976B2 (en) * | 2002-01-29 | 2006-02-28 | Pace Micro Technology, Llp | Apparatus and method for inserting data effects into a digital data stream |
TW200427225A (en) * | 2003-05-23 | 2004-12-01 | Genesys Logic Inc | Method of auto-tracking and compensating clock frequency and related apparatus thereof |
FR2896368B1 (fr) * | 2006-01-18 | 2008-03-14 | Atmel Corp | Appareil pour ameliorer l'efficacite du microprogramme pour une interface serie multitrame |
US7840887B2 (en) * | 2006-08-25 | 2010-11-23 | Freescale Semiconductor, Inc. | Data stream processing method and system |
US8872970B2 (en) | 2011-10-31 | 2014-10-28 | Google Technology Holdings LLC | System and method for transport stream sync byte detection with transport stream having multiple emulated sync bytes |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0227836A (ja) * | 1988-07-18 | 1990-01-30 | Hitachi Cable Ltd | 同期伝送方式 |
EP0418885A2 (fr) * | 1989-09-20 | 1991-03-27 | Sony Corporation | Appareil de transmission de données numériques |
EP0443376A2 (fr) * | 1990-02-22 | 1991-08-28 | Kabushiki Kaisha Toshiba | Circuit de synchronisation de trame |
EP0535768A2 (fr) * | 1991-09-18 | 1993-04-07 | Dsc Communications Corporation | Système de transmission avec un circuit arbitraire d'alignement de trame parallèle |
EP0795964A2 (fr) * | 1996-02-28 | 1997-09-17 | Nec Corporation | Processeur des signaux vocaux numériques avec un petit tampon d'entrée |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4002845A (en) * | 1975-03-26 | 1977-01-11 | Digital Communications Corporation | Frame synchronizer |
JPH0748725B2 (ja) * | 1990-07-25 | 1995-05-24 | 日本電気株式会社 | フレーム同期回路 |
JP2980713B2 (ja) * | 1991-03-15 | 1999-11-22 | 株式会社東芝 | フレーム保護装置 |
JP2630150B2 (ja) * | 1992-02-06 | 1997-07-16 | 松下電器産業株式会社 | 符号化信号復号化装置 |
JPH066335A (ja) * | 1992-06-17 | 1994-01-14 | Fujitsu Ltd | 高能率音声伝送の擬似同期防止方法 |
JP3060742B2 (ja) * | 1992-08-28 | 2000-07-10 | 松下電器産業株式会社 | 符号化信号復号化装置 |
KR960001028B1 (ko) * | 1993-03-17 | 1996-01-17 | 현대전자산업주식회사 | 고선명 텔레비젼용 디지탈 오디오 기기의 동기 신호 검출장치 |
JPH06350592A (ja) * | 1993-06-08 | 1994-12-22 | Matsushita Electric Ind Co Ltd | 符号化信号復号化装置 |
-
1995
- 1995-03-30 JP JP7280595A patent/JP2817660B2/ja not_active Expired - Fee Related
-
1996
- 1996-04-01 EP EP96105182A patent/EP0735709B1/fr not_active Expired - Lifetime
- 1996-04-01 DE DE69631852T patent/DE69631852T2/de not_active Expired - Fee Related
- 1996-04-01 US US08/625,915 patent/US5668840A/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0227836A (ja) * | 1988-07-18 | 1990-01-30 | Hitachi Cable Ltd | 同期伝送方式 |
EP0418885A2 (fr) * | 1989-09-20 | 1991-03-27 | Sony Corporation | Appareil de transmission de données numériques |
EP0443376A2 (fr) * | 1990-02-22 | 1991-08-28 | Kabushiki Kaisha Toshiba | Circuit de synchronisation de trame |
EP0535768A2 (fr) * | 1991-09-18 | 1993-04-07 | Dsc Communications Corporation | Système de transmission avec un circuit arbitraire d'alignement de trame parallèle |
EP0795964A2 (fr) * | 1996-02-28 | 1997-09-17 | Nec Corporation | Processeur des signaux vocaux numériques avec un petit tampon d'entrée |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 014, no. 175 (E - 0914) 6 April 1990 (1990-04-06) * |
Also Published As
Publication number | Publication date |
---|---|
EP0735709A2 (fr) | 1996-10-02 |
DE69631852D1 (de) | 2004-04-22 |
EP0735709B1 (fr) | 2004-03-17 |
JPH08274768A (ja) | 1996-10-18 |
JP2817660B2 (ja) | 1998-10-30 |
US5668840A (en) | 1997-09-16 |
DE69631852T2 (de) | 2005-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1001549A3 (fr) | Appareil de traitement de signal audio | |
EP0735709A3 (fr) | Circuit de synchronisation pour un système de compression et de décompression d'un signal de son numérique | |
GB2369977A (en) | Decoding of information in audio signals | |
EP0869666A3 (fr) | Système numérique ayant un compteur de fiabilité de synchronisation | |
UA37174C2 (uk) | Система цифрової передачі та використовувані в системі передавач і приймач. | |
EP0746116A3 (fr) | Décodeur audio MPEG | |
EP1075084A3 (fr) | Procédé et appareil pour générer des signaux aléatoires | |
EP1107586A3 (fr) | Récepteur de télévision | |
EP0322100A3 (fr) | Système et méthode pour le traitement des signaux audio numérisés | |
EP1217840A3 (fr) | Système et méthode d'insertion de filigrane dans des séquences d'images digitales | |
AU2554697A (en) | Digital audio data transmission system based on the information content of an audio signal | |
EP0843252A3 (fr) | Circuit audio pour ordinateur | |
EP0840528A3 (fr) | Appareil de reproduction synchronisée de signaux de son et d'image | |
EP0973269A3 (fr) | Système de réduction du bruit pour signaux audio | |
HK1005396A1 (en) | Timing recovery system for a digital video signal processor, and timing recovery system for a digital signal processor. | |
EP0932308A3 (fr) | Méthode et appareil pour le multiplexage, la transmission et l'enregistrement de signaux numériques et support d'enregistrement | |
EP0910192A3 (fr) | Circuit d'extraction d'horloge | |
EP0863632A3 (fr) | Dispositif pour la réception de programmes radiophoniques numériques | |
EP0743796A3 (fr) | Codeur de flux de transport à expansion aisée | |
CA2311968A1 (fr) | Recepteur a bande laterale residuelle | |
EP0967566A3 (fr) | Système d'entrée de coordonnées | |
EP0800326A3 (fr) | Récupération synchrone et asynchrone de signaux dans un réseau ATM | |
EP1139213A3 (fr) | Système et méthode de traitement de données de son | |
EP1021032A3 (fr) | Procédé pour le réglage de l'échelle de tonalité d'une image numérique | |
CA2400421A1 (fr) | Reference a une horloge unique pour systemes de traitement dans le domaine comprime |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB |
|
17P | Request for examination filed |
Effective date: 20000228 |
|
17Q | First examination report despatched |
Effective date: 20021125 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NEC ELECTRONICS CORPORATION |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 69631852 Country of ref document: DE Date of ref document: 20040422 Kind code of ref document: P |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20041220 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20050324 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20050330 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20050408 Year of fee payment: 10 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060401 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20061101 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20060401 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20061230 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060502 |